.adv {
    width: 100%;
    height: auto;

    .freshman {
        width: 345px;
        height: 296px;
        background: url('~../../../../assets/img/freshman.gif') no-repeat;
        background-size: contain;
        margin: auto;
    }

    .hdImage {
        width: 345px;
        height: 112px;
        background: url("https://hotkidceo-1251330842.file.myqcloud.com/2022080510093602065.gif") no-repeat;
        background-size: contain;
        margin: auto;
    }
}